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January 24, 2015

January 24, 2015

Posted by **:)** on Monday, March 5, 2012 at 1:08pm.

- Trigonometry -
**Henry**, Tuesday, March 6, 2012 at 8:12pmtan11 = Y/X = 410/X.

X = 410 / tan11 = 2109.3 km.

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